An electrician has three boxes of wire left: one full box, o…

An electrician has three boxes of wire left: one full box, one half box, and one box that is just one third full. She estimates that she will need 450 feet of wire to finish today’s job. To the nearest ten feet, how many feet of wire need to be in a full box in order for her to have enough?  feet

You must type your answer into the given box and show all yo…

You must type your answer into the given box and show all your work. For credit, please follow the instructions below and show all the steps. Step 1. Type the provided values along with their units in the problem, and designate a specific symbol (standard) for each known value and value that you need to determine.  Step 2. Type the general equations that you will use to solve the problem using the variables (no numbers yet). Step 3. Show steps to utilize the provided values and their respective units to calculate the answer for the value you need to determine.   A boxer punches a sheet of paper in midair from rest to a speed of 40 m/s in 0.05 s. If the mass of the paper is 0.01 kg, the force of the punch on the paper is